Cross reference
1 Corinthians 16:17
17 And I rejoice at the coming of Stephanas and Fortunatus and Achaicus: for that which was lacking on your part they supplied.
2 Corinthians 11:9
9 and when I was present with you and was in want, I was not a burden on any man; for the brethren, when they came from Macedonia, supplied the measure of my want; and in everything I kept myself from being burdensome unto you, and `so' will I keep `myself'.
Philippians 2:30
30 because for the work of Christ he came nigh unto death, hazarding his life to supply that which was lacking in your service toward me.
Philemon 1:13
13 whom I would fain have kept with me, that in thy behalf he might minister unto me in the bonds of the gospel: